1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for Digigram VXpocket V2/440 soundcards
4 *
5 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
6
7 */
8
9
10#include <linux/init.h>
11#include <linux/module.h>
12#include <linux/slab.h>
13#include <sound/core.h>
14#include "vxpocket.h"
15#include <pcmcia/ciscode.h>
16#include <pcmcia/cisreg.h>
17#include <sound/initval.h>
18#include <sound/tlv.h>
19
20MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
21MODULE_DESCRIPTION("Digigram VXPocket");
22MODULE_LICENSE("GPL");
23
24static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
25static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
26static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
27static int ibl[SNDRV_CARDS];
28
29module_param_array(index, int, NULL, 0444);
30MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
31module_param_array(id, charp, NULL, 0444);
32MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
33module_param_array(enable, bool, NULL, 0444);
34MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
35module_param_array(ibl, int, NULL, 0444);
36MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
37
38
39/*
40 */
41
42static unsigned int card_alloc;
43
44
45/*
46 */
47static void vxpocket_release(struct pcmcia_device *link)
48{
49	free_irq(link->irq, link->priv);
50	pcmcia_disable_device(link);
51}
52
53/*
54 * Hardware information
55 */
56
57/* VX-pocket V2
58 *
59 * 1 DSP, 1 sync UER
60 * 1 programmable clock (NIY)
61 * 1 stereo analog input (line/micro)
62 * 1 stereo analog output
63 * Only output levels can be modified
64 */
65
66static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
67
68static const struct snd_vx_hardware vxpocket_hw = {
69	.name = "VXPocket",
70	.type = VX_TYPE_VXPOCKET,
71
72	/* hardware specs */
73	.num_codecs = 1,
74	.num_ins = 1,
75	.num_outs = 1,
76	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
77	.output_level_db_scale = db_scale_old_vol,
78};
79
80/* VX-pocket 440
81 *
82 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
83 * SMPTE (NIY)
84 * 2 stereo analog input (line/micro)
85 * 2 stereo analog output
86 * Only output levels can be modified
87 * UER, but only for the first two inputs and outputs.
88 */
89
90static const struct snd_vx_hardware vxp440_hw = {
91	.name = "VXPocket440",
92	.type = VX_TYPE_VXP440,
93
94	/* hardware specs */
95	.num_codecs = 2,
96	.num_ins = 2,
97	.num_outs = 2,
98	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
99	.output_level_db_scale = db_scale_old_vol,
100};
101
102
103/*
104 * create vxpocket instance
105 */
106static int snd_vxpocket_new(struct snd_card *card, int ibl,
107			    struct pcmcia_device *link,
108			    struct snd_vxpocket **chip_ret)
109{
110	struct vx_core *chip;
111	struct snd_vxpocket *vxp;
112
113	chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
114			     sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
115	if (!chip)
116		return -ENOMEM;
117
118	chip->ibl.size = ibl;
119
120	vxp = to_vxpocket(chip);
121
122	vxp->p_dev = link;
123	link->priv = chip;
124
125	link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
126	link->resource[0]->end = 16;
127
128	link->config_flags |= CONF_ENABLE_IRQ;
129	link->config_index = 1;
130	link->config_regs = PRESENT_OPTION;
131
132	*chip_ret = vxp;
133	return 0;
134}
135
136
137/**
138 * snd_vxpocket_assign_resources - initialize the hardware and card instance.
139 * @chip: VX core instance
140 * @port: i/o port for the card
141 * @irq: irq number for the card
142 *
143 * this function assigns the specified port and irq, boot the card,
144 * create pcm and control instances, and initialize the rest hardware.
145 *
146 * returns 0 if successful, or a negative error code.
147 */
148static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
149{
150	int err;
151	struct snd_card *card = chip->card;
152	struct snd_vxpocket *vxp = to_vxpocket(chip);
153
154	snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
155	vxp->port = port;
156
157	sprintf(card->shortname, "Digigram %s", card->driver);
158	sprintf(card->longname, "%s at 0x%x, irq %i",
159		card->shortname, port, irq);
160
161	chip->irq = irq;
162	card->sync_irq = chip->irq;
163
164	err = snd_vx_setup_firmware(chip);
165	if (err < 0)
166		return err;
167
168	return 0;
169}
170
171
172/*
173 * configuration callback
174 */
175
176static int vxpocket_config(struct pcmcia_device *link)
177{
178	struct vx_core *chip = link->priv;
179	int ret;
180
181	snd_printdd(KERN_DEBUG "vxpocket_config called\n");
182
183	/* redefine hardware record according to the VERSION1 string */
184	if (!strcmp(link->prod_id[1], "VX-POCKET")) {
185		snd_printdd("VX-pocket is detected\n");
186	} else {
187		snd_printdd("VX-pocket 440 is detected\n");
188		/* overwrite the hardware information */
189		chip->hw = &vxp440_hw;
190		chip->type = vxp440_hw.type;
191		strcpy(chip->card->driver, vxp440_hw.name);
192	}
193
194	ret = pcmcia_request_io(link);
195	if (ret)
196		goto failed_preirq;
197
198	ret = request_threaded_irq(link->irq, snd_vx_irq_handler,
199				   snd_vx_threaded_irq_handler,
200				   IRQF_SHARED, link->devname, link->priv);
201	if (ret)
202		goto failed_preirq;
203
204	ret = pcmcia_enable_device(link);
205	if (ret)
206		goto failed;
207
208	chip->dev = &link->dev;
209
210	if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
211						link->irq) < 0)
212		goto failed;
213
214	return 0;
215
216 failed:
217	free_irq(link->irq, link->priv);
218failed_preirq:
219	pcmcia_disable_device(link);
220	return -ENODEV;
221}
222
223#ifdef CONFIG_PM
224
225static int vxp_suspend(struct pcmcia_device *link)
226{
227	struct vx_core *chip = link->priv;
228
229	snd_printdd(KERN_DEBUG "SUSPEND\n");
230	if (chip) {
231		snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
232		snd_vx_suspend(chip);
233	}
234
235	return 0;
236}
237
238static int vxp_resume(struct pcmcia_device *link)
239{
240	struct vx_core *chip = link->priv;
241
242	snd_printdd(KERN_DEBUG "RESUME\n");
243	if (pcmcia_dev_present(link)) {
244		//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
245		if (chip) {
246			snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
247			snd_vx_resume(chip);
248		}
249	}
250	snd_printdd(KERN_DEBUG "resume done!\n");
251
252	return 0;
253}
254
255#endif
256
257
258/*
259 */
260static int vxpocket_probe(struct pcmcia_device *p_dev)
261{
262	struct snd_card *card;
263	struct snd_vxpocket *vxp;
264	int i, err;
265
266	/* find an empty slot from the card list */
267	for (i = 0; i < SNDRV_CARDS; i++) {
268		if (!(card_alloc & (1 << i)))
269			break;
270	}
271	if (i >= SNDRV_CARDS) {
272		snd_printk(KERN_ERR "vxpocket: too many cards found\n");
273		return -EINVAL;
274	}
275	if (! enable[i])
276		return -ENODEV; /* disabled explicitly */
277
278	/* ok, create a card instance */
279	err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE,
280			   0, &card);
281	if (err < 0) {
282		snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
283		return err;
284	}
285
286	err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
287	if (err < 0) {
288		snd_card_free(card);
289		return err;
290	}
291	card->private_data = vxp;
292
293	vxp->index = i;
294	card_alloc |= 1 << i;
295
296	vxp->p_dev = p_dev;
297
298	return vxpocket_config(p_dev);
299}
300
301static void vxpocket_detach(struct pcmcia_device *link)
302{
303	struct snd_vxpocket *vxp;
304	struct vx_core *chip;
305
306	if (! link)
307		return;
308
309	vxp = link->priv;
310	chip = (struct vx_core *)vxp;
311	card_alloc &= ~(1 << vxp->index);
312
313	chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
314	snd_card_disconnect(chip->card);
315	vxpocket_release(link);
316	snd_card_free_when_closed(chip->card);
317}
318
319/*
320 * Module entry points
321 */
322
323static const struct pcmcia_device_id vxp_ids[] = {
324	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
325	PCMCIA_DEVICE_NULL
326};
327MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
328
329static struct pcmcia_driver vxp_cs_driver = {
330	.owner		= THIS_MODULE,
331	.name		= "snd-vxpocket",
332	.probe		= vxpocket_probe,
333	.remove		= vxpocket_detach,
334	.id_table	= vxp_ids,
335#ifdef CONFIG_PM
336	.suspend	= vxp_suspend,
337	.resume		= vxp_resume,
338#endif
339};
340module_pcmcia_driver(vxp_cs_driver);
341